not confirm if the civilians were innocent bystanders or were actually attackers who lobbed grenades at the police station earlier today. he staid there were motor bikes as well. although earlier witness accounts said the men had walked towards the police station and then threw the grenades at the policemen. killing one of them there. there was a an exchange of gunfire. and there was at least one armed suspect who escaped from the scene and fled into the skyline building, which was just across the police station. it was an intersection, a very busy intersection. we have office buildings around the commercial establishments here. everything is on lockdown now. there are reports that people are still in the offices in the buildings around the area, and we're seeing as of this moment a police operation that's still going upon john? >> kathy, the death toll you just gaye us four which you